Test-retest reliability and discriminant validity of the computerized personality disorder interview

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  • The psychometric reliability and discriminant validity of a computerized, self-report personality interview was assessed. The subject sample (N=100) consisted of male and female students from a university introductory psychology course, employees from a general hospital and volunteers from a metropolitan community. Subjects completed the Computerized Personality Disorder Interview (C-PDI) on two occasions separated by an interval of one week. Diagnoses were compared with scale score means. Kappa coefficients for diagnosis ranged from .10 (Avoidant) to .78 (Schizoid). Test-retest correlation coefficients for scale score means ranged from .74 (Obsessive Compulsive) to .90 (Schizotypal and Borderline). Males were significantly higher than females for the Schizoid and Narcissistic scales (p<.01). The C-PDI discriminated between subjects with psychiatric, substance use/abuse, and family psychiatric histories. The advantages of a dimensional system of classification for personality disorders which uses scale scores are discussed.

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  • Copyright ¬© 1993 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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  • 1993


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